Amoled Double-Side Display

1. An active matrix organic light-emitting diode (AMOLED) doubled-sided display, which comprises: a substrate and an OLED array layer disposed on the substrate, the OLED array layer comprising a plurality of top-emitting OLED units and a plurality of bottom-emitting OLED units arranged in an array, wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units are arranged alternately in a horizontal direction and a vertical direction; wherein each of the plurality of top-emitting OLED units comprises a first anode, an organic layer, and a first cathode arranged in a stacked structure and each of the plurality of bottom-emitting OLED units comprises a second anode, an organic layer, and a second cathode arranged in a stacked structure, the first anode being thicker than the second anode, the first anode being reflective and the second cathode being light-transmissive, wherein the second anode is formed of a first anode film that is transmissive to light and the first anode is formed of the first anode film and a second anode film located on the first anode film at a location corresponding to each of the plurality of the top-emitting OLED units, the second anode film being reflective and thicker than the first anode film; and the second cathode being thicker than the first cathode, the first cathode being light-transmissive and the second cathode being reflective; wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units are alternate with each other in both the horizontal direction and the vertical direction such that each of the plurality of top-emitting OLED units is adjacent to one of the plurality of bottom-emitting OLED units in each of the horizontal direction and the vertical direction; and each of the plurality of bottom-emitting OLED units is adjacent to one of the plurality of top-emitting OLED units in each of the horizontal direction and the vertical direction.

2. The AMOLED double-sided display as claimed in claim 1 , wherein the first anode and the second anode are formed respectively by two vacuum evaporation processes each of which is carried out with a mask.

3. The AMOLED double-sided display as claimed in claim 1 , wherein the OLED array layer comprises a first cathode film and a second cathode film, and the second cathode film is formed on an upper surface of the first cathode film corresponding to the plurality of bottom-emitting OLED units by a vacuum evaporation process with a mask; the first cathode is formed by a part of the first cathode film corresponding to each of the plurality of top-emitting OLED units, and the second cathode is formed by a part of the first cathode film and the second cathode film corresponding to each of the plurality of bottom-emitting OLED units.

4. The AMOLED double-sided display as claimed in claim 1 , wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units together form an OLED unit array having rows and columns, wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units are arranged alternately in each of the rows and each of the columns.

5. The AMOLED double-sided display as claimed in claim 4 , wherein during displaying, in the OLED unit array, for a positive integer i, an i-th top-emitting OLED unit from left in each row of the rows receives a same image signal as an i-th bottom-emitting OLED unit from right in said each row of the rows.

6. An active matrix organic light-emitting diode (AMOLED) doubled-sided display, which comprises: a substrate and an OLED array layer disposed on the substrate, the OLED array layer comprising a plurality of top-emitting OLED units and a plurality of bottom-emitting OLED units arranged in an array, wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units are arranged alternately in a horizontal direction and a vertical direction; wherein each of the plurality of top-emitting OLED units comprises a first anode, an organic layer, and a first cathode arranged in a stacked structure and each of the plurality of bottom-emitting OLED units comprises a second anode, an organic layer, and a second cathode arranged in a stacked structure, the first anode being thicker than the second anode, the first anode being reflective and the second cathode being light-transmissive, wherein the second anode is formed of a first anode film that is transmissive to light and the first anode is formed of the first anode film and a second anode film located on the first anode film at a location corresponding to each of the plurality of the top-emitting OLED units, the second anode film being reflective and thicker than the first anode film; and the second cathode being thicker than the first cathode, the first cathode being light-transmissive and the second cathode being reflective; wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units are alternate with each other in both the horizontal direction and the vertical direction such that each of the plurality of top-emitting OLED units is adjacent to one of the plurality of bottom-emitting OLED units in each of the horizontal direction and the vertical direction; and each of the plurality of bottom-emitting OLED units is adjacent to one of the plurality of top-emitting OLED units in each of the horizontal direction and the vertical direction; wherein the first anode and the second anode being formed respectively by two vacuum evaporation processes each of which is carried out with a mask; wherein the OLED array layer comprises a first cathode film and a second cathode film, and the second cathode film being formed on an upper surface of the first cathode film corresponding to the plurality of bottom-emitting OLED units by a vacuum evaporation process with a mask; the first cathode being formed by a part of the first cathode film corresponding to each of the plurality of top-emitting OLED units, and the second cathode being formed by a part of the first cathode film and the second cathode film corresponding to each of the plurality of bottom-emitting OLED units.

7. The AMOLED double-sided display as claimed in claim 6 , wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units together form an OLED unit array having rows and columns, wherein the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units are arranged alternately in each of the rows and each of the columns.

8. The AMOLED double-sided display as claimed in claim 7 , wherein during displaying, in the OLED unit array, for a positive integer i, an i-th top-emitting OLED unit from left in each row of the rows receives a same image signal as an i-th bottom-emitting OLED unit from right in said each row of the rows.